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Generalized Woodall primes of the form n•90n-1
Current data
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History
- 2023-07-14: Checked n = 2 - 200000, Mark Rodenkirch, double-check n = 2 - 61000, released
- 2023-07-14: Found n = 189639, Mark Rodenkirch
- 2023-06-03: Reserved by Mark Rodenkirch to n = 200000
- 2014-03-13: Checked n = 4000 - 25000, Steven Harvey, double-check
- 2012-10-10: Checked to n = 25000, Thomas Ritschel
- 2012?: Checked n = 26000 - 61000, James P. Burt
- 2011-11-22: Reserved by James P. Burt to n = 200000
- 2010-11-01: Checked n = 89 - 4000, Steven Harvey, double-check
- 2005-04-10: Found n = 29838, Peter Benson
- 2005-01-03: Checked n = 5000 - 10000, Mark Rodenkirch
- 2004-12-21: Reserved by Mark Rodenkirch to n = 10000
- 2004-12-21: Checked n = 89 - 5000, Mark Rodenkirch
- 2004-12-15: Reserved by Mark Rodenkirch to n = 6000
- 2004-12-03: Reserved by Mark Rodenkirch to n = 5000
- 2004-06-21: Checked to n = 26000, Steven Harvey
